EP2039301B1 - Hilfsvorrichtung für ein chirurgisches Klammergerät - Google Patents

Hilfsvorrichtung für ein chirurgisches Klammergerät Download PDF

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Publication number
EP2039301B1
EP2039301B1 EP08253101A EP08253101A EP2039301B1 EP 2039301 B1 EP2039301 B1 EP 2039301B1 EP 08253101 A EP08253101 A EP 08253101A EP 08253101 A EP08253101 A EP 08253101A EP 2039301 B1 EP2039301 B1 EP 2039301B1
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EP
European Patent Office
Prior art keywords
compression
recited
assembly
compression roller
proximal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08253101A
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English (en)
French (fr)
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EP2039301A1 (de
Inventor
Gregg C. Krehel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covidien LP
Original Assignee
Tyco Healthcare Group LP
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Publication date
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Publication of EP2039301A1 publication Critical patent/EP2039301A1/de
Application granted granted Critical
Publication of EP2039301B1 publication Critical patent/EP2039301B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00491—Surgical glue applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00734—Aspects not otherwise provided for battery operated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00884—Material properties enhancing wound closure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00889—Material properties antimicrobial, disinfectant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00893—Material properties pharmaceutically effective

Definitions

  • the present disclosure relates to auxiliary devices for use with surgical staplers. More particularly, the present disclosure relates to a powered materials dispenser designed to compress a capsule of materials and to inject the materials between the jaws of the surgical stapler.
  • tissue being operated on it is often advantageous to add or supply various materials to the tissues being operated on.
  • healing or sealing materials such as antimicrobial materials or hemostatic materials
  • Adhesives may be applied to the tissues and buttress materials may be used to strengthen the tissue connections.
  • the buttress materials are mounted on the jaws of the stapling instrument and stapled to the tissues to reinforce the staple lines and prevent tearing of the stapled tissue. It is often desirable to apply adhesives and/or sealants in conjunction with the buttress materials to better reinforce the staple lines in the tissues and assist in sealing the staple holes.
  • tissue being stapled it is preferable to add these materials to the tissues being stapled at the time of the stapling of the tissues.
  • This typically requires an additional device or materials dispenser, for example, a syringe, to be positioned within the area being operated on, in addition to the stapling apparatus being used, thereby requiring more operating space.
  • an additional, independent materials dispenser requires an additional set of hands to manipulate and operate it while at the same time reducing visibility of the operating area to the surgeons involved.
  • auxiliary device in the form of a materials dispenser for integral use with a surgical stapler device. It would further be desirable to provide a powered materials dispenser for use with a surgical stapler device and operable concurrently with the surgical stapler.
  • Document US-A-2007/0175954 shows a powered material dispenser for being used in combination with a surgical stapler.
  • the device described therein discloses a compressible reservoir which urges during activation of the stapler a material like an adhesive through a conduit to the stapled tissue.
  • the device according to the invention comprises the features as defined in the independent claim 1.
  • an auxiliary materials dispenser for use in a surgical stapler device which generally includes a nozzle assembly including a nozzle body defining a cavity and having a discharge port.
  • a compression assembly is movably mounted within the cavity of the nozzle body and has a compression roller.
  • the compression assembly is movable between a proximal position wherein the compression roller is spaced from the discharge port to a distal position wherein the compression roller is substantially adjacent the discharge port.
  • a drive mechanism is included and is operable to move the compression assembly between the proximal and distal positions such that the compression roller of the compression assembly urges material contained within the cavity toward the discharge port as the compression assembly moves between the proximal and distal positions.
  • the compression assembly includes a drive block engagable with the drive mechanism.
  • a clevis arm having first and second ends, is pivotally mounted to the drive block at the first end.
  • a spindle is mounted to the clevis arm at the second end and the compression roller is mounted on the spindle.
  • a spring is attached to the clevis arm such that the spring biases the compression roller into engagement with an inner surface of the nozzle body.
  • the nozzle body includes upper and lower inner surfaces which are spaced further apart at their respective proximal ends and closer together at their respective distal ends such that the upper and lower inner surfaces taper towards the discharge port.
  • the compression roller engages the upper inner surface as it moves between the proximal and distal positions.
  • the nozzle assembly includes a drive nut affixed within the nozzle body and defining a threaded bore.
  • the drive mechanism includes a drive screw rotatably mounted within the threaded bore of the drive nut. A distal end of the screw is engagable with the compression assemble to move the compression assembly within the nozzle body as the drive screw is rotated within the drive nut.
  • the drive mechanism further includes a motor engagable with the drive screw to rotate the drive screw within the drive nut.
  • the drive screw is mounted on a distal end of a cable and a proximal end of the cable is affixed to the motor.
  • the compression roller is formed of an incompressible material. In an alternative embodiment, the compression roller is formed of a compressible material.
  • the material to be dispensed is contained within a capsule positioned within the cavity of the nozzle body such that the compression roller compresses the capsule to break the capsule as the compression roller moves between the proximal and distal positions.
  • the capsule has a wall thickness which is greater at the proximal end than at the distal end to create a weakened region at the distal end adjacent the discharge port.
  • a surgical stapler device including a handle having a first jaw containing a staple containing cartridge and a second jaw movable relative to the first jaw and having an anvil surface.
  • a nozzle assembly is mounted on one of the first and jaws.
  • the nozzle assembly includes a nozzle body defining a cavity and having a discharge port open to a face of one of the first and second jaws.
  • a compression assembly is movably mounted within the cavity of the nozzle body and includes a compression roller.
  • the compression roller is movable between a proximal position spaced from the discharge port to a distal position substantially adjacent the discharge port.
  • a drive mechanism is also provided and is operable to move the compression roller between the proximal and distal positions such that the compression roller urges material contained within the cavity toward the discharge port as the compression roller moves between the proximal and distal positions.
  • auxiliary materials dispenser Embodiments of the presently disclosed auxiliary materials dispenser will now be described in detail with reference to the drawings wherein like numerals designate identical or corresponding elements in each of the several views.
  • proximal refers to that part or component closer to the user or operator, i.e. surgeon or physician
  • distal refers to that part or component further away from the user.
  • an auxiliary device in the form of a materials dispenser 10 for use in a surgical stapler 12.
  • Materials dispenser 10 may be assembled integral to the associated surgical stapler 12 or may be provided separately and affixed to the desired surgical stapler 12 prior to surgery. Additionally, materials dispenser 10 is configured for use with various types of surgical staplers, such as, for example, endoscopic or open surgery surgical staplers, as well as linear and circular surgical staplers of the open or endoscopic variety.
  • surgical stapler 12 is of the open surgery type including a handle 14 having a fixed lower jaw 16 extending distally from handle 14.
  • a movable upper jaw 18 is movable mounted to handle 14 and is movable from an open position spaced apart from lower jaw 16 to a closed position substantially adjacent lower jaw 16.
  • a trigger 20 is mounted on handle 14 and is operable to move upper jaw 18 between the open and closed positions relative to lower jaw 16.
  • Surgical stapling device 12 further includes an actuation mechanism 22, positioned in handle 14, which is operable with trigger 20 to eject staples (not shown) out of a staple containing cartridge 24, positioned in lower jaw 16, and into an anvil face 26 in upper jaw 18.
  • the tissue to be stapled is captured between anvil face 26 on upper jaw 16 and a cartridge face 28 on staple containing cartridge 24 positioned in lower jaw 16.
  • Materials dispenser 10 is provided to inject media or material into the tissue receiving space between lower and upper jaws 16 and 18, respectively, to as to apply material "M" to tissue captured therebetween.
  • material M refers to any treatment or other material applied to tissues, or associated support structure, during surgery, such as, for example, antimicrobial, anticoagulant, hemostatic, adhesive, dye or indicating materials, etc. and may take the form of liquids, foams, atomized spray.
  • Materials dispenser 10 generally includes a nozzle assembly 30 having a nozzle body 32 for receipt of material M and a discharge port 34 for passage of material M out of nozzle assembly 30.
  • nozzle assembly 30 is affixed to, or inserted within one of lower and upper jaws 16 and 18 such that discharge port 34 is open to the space defined between lower and upper jaws 16 and 18, respectively.
  • discharge port 34 is provided on lower jaw 16 and extends through staple containing cartridge 24.
  • Discharge port 34 is generally rectangular and is oriented substantially perpendicular to a long axis of staple containing cartridge 24 so as to spray material M across cartridge face 28.
  • Materials dispenser 10 additionally includes a power source or motor 36 to operate nozzle assembly 30.
  • Motor 36 is provided on handle 14 of surgical stapler 12.
  • Motor 36 is a small DC motor powered by primary or secondary batteries.
  • Various switches may be provided on surgical stapler 12 to actuate motor 36.
  • the actuation switch may be provided remotely from surgical stapler 12, such as, a foot switch, etc.
  • a drive cable 38 extends between motor 36 and nozzle assembly 30 and allows motor 36 to be provided remotely from nozzle assembly 30 either on handle 14 of surgical stapler 12 as described herein or remotely off of surgical stapler 12 in order to lighten the weight of surgical stapler 12 for ease of use.
  • a threaded drive screw 40 is provided at a distal end 42 of drive cable 38.
  • Threaded drive screw 40 engages a threaded nut 44 positioned within a proximal section 46 of nozzle body 32 such that as drive cable 38 is rotated by drive motor 36, threaded drive screw 40 is rotated within threaded nut 44 to move threaded drive screw 40 within nozzle body 32.
  • Threaded nut 44 can be integral with nozzle body 32 or can be fixed therein by conventional methods such as, for example, welding, gluing, etc.
  • Nozzle body 32 also includes a tapered distal section 48 extending distally from proximal section 46 and defining a distal space or cavity 50.
  • Tapered distal section 48 includes an upper wall 52 and a lower wall 54 which have upper and lower inner surfaces 56 and 58, respectively. While not specifically shown in Fig. 2 , it is obvious that nozzle also includes side wall extending between upper and lower walls 52 and 54 (See Fig. 1 ). Upper and lower walls 52 and 54 taper distally towards each other to define discharge port 34 at a distal end 60 of distal tapered section 48.
  • upper and lower walls 52 and 54 The spacing of upper and lower walls 52 and 54 is greatest at a point 62 at the junction of proximal and distal sections 46 and 48, respectively, and closest at discharge port 34 to facilitate squeezing or forcing a source, such as capsule 64, of mater M towards and out of discharge port 34.
  • a distal end 68 of threaded drive screw 40 is configured to engage and move a compression assembly 70 within tapered distal section 48.
  • Compression assembly 70 is provided to compress and force material M contained within capsule 64 toward and out of discharge port 34.
  • Compression assembly 70 generally includes a drive block 72, engageable with distal end 60 of threaded drive screw, and a pair of upper and lower arms 74 and 76, respectively, extending distally from drive block 72.
  • First and second compression rollers 78 and 80 are mounted on upper and lower arms 74 and 76, respectively. In a specific embodiment, the lengths of first and second compression rollers 78 and 80 are substantially equal to the length of capsule 64 to allow for complete evacuation of capsule 64.
  • First and second compression rollers 78 and 80 are relatively inelastic and may be formed from various materials, such as, for example, hard plastics, stainless steel, ceramic, etc. First and second compression rollers 78 and 80 engage upper and lower inner surfaces 56 and 58 and are moved from a greatest spacing adjacent point 62 of tapered distal section 48 to a closest spacing adjacent discharge port 34 as described herein below.
  • upper arm 74 comprises a pair of upper arms 74a and 74b supporting first compression roller 78 and lower arm 76 comprises a pair of lower arms 76a and 76b supporting second compression roller 80.
  • a shaft 82 extends through drive block 72 to rotatably support upper arms 74a and 74b at proximal ends 84a and 84b and lower arms 76a and 76b at proximal ends 86a and 86b.
  • An upper spindle 88 extends between distal ends 90a and 90b of upper arms 74a and 74b and rotatably supports first compression roller 78.
  • First compression roller may be rotatable about upper spindle 88 or affixed to upper spindle 88 such that upper spindle is mounted for rotation within distal ends 90a and 90b.
  • a lower spindle 92 is mounted between distal ends 94a and 94b of lower arms 76a and 76b for rotatable support of second compression roller 80.
  • compression assembly 70 is provided with a spring 96 having a center point 98 mounted on shaft 82 and connected to upper ann 74b at an upper point 100 and lower arm 76b at a lower point 102.
  • material dispenser 10 is mounted on surgical stapling device 12 such that discharge port 34 extends through fixed lower jaw 16.
  • Trigger 12 is actuated to cause movable upper jaw 18 to move adjacent fixed lower jaw 16.
  • Continued movement of trigger 12 causes staples (not shown) to be ejected from staple cartridge 24 and toward anvil face 26.
  • actuation of trigger 12 also operates to activate drive motor 36 thereby rotating drive cable 38.
  • other switches or triggering mechanisms such as foot pedals, etc. may be provided to actuate drive motor 36.
  • distal end 42 of drive cable 38 engages drive block 72 to move compression assembly 70 distally within distal section 48 of nozzle body 32.
  • Distal movement of compression assembly 70 causes first and second arms 74 and 76 to move distally causing first and second compression rollers 78 and 80 to ride along tapered upper and lower inner surfaces 56 and 58, respectively.
  • first and second arms pivot about shaft 82 and spring 96 biases first and second compression rollers 78 and 80 into engagement with upper and lower inner surfaces 56 and 58, respectively, ( Fig. 3 ).
  • first and second compression rollers 78 and 80 move distally from the initial position shown in Fig. 4 to an intermediary position shown in Fig. 5 , first and second compression roller engage and compress capsule 64 causing capsule 64 to break at its distal end 104 and spray or otherwise eject material M into the space between fixed lower jaw 16 and movable upper jaw 18 as shown in Fig. 1 .
  • capsule 64 is substantially completely compressed between first and second compression rollers and substantially discharged of material M through discharge port 34.
  • capsule 64 is formed from compressible and breakable or rupturable material and is provided to contain material M prior to use.
  • Capsule 64 has a wall 106 configured to contain material M.
  • wall 106 is formed with a smaller thickness at a distal end 108 and a larger thickness at a proximal end 110 such that, upon compression, wall 106 will break or burst at the distal end 108 which is position adjacent discharge port 34 of nozzle body 32.
  • first and second compression rollers 112 and 114 for use in compression assembly 70.
  • first and second compression rollers are formed of a compressible material, such as, for example, foam, soft rubber, etc.
  • First and second compression rollers form a part of compression assembly 70 and are rotatably mounted on upper and lower arms 74 and 76, respectively, substantially as described herein above with regard to first and second compression rollers 78 and 80.
  • first and second compression rollers 112 and 114 are substantially circular in cross-section and touch to completely enclose cavity 50 and thus capsule 64 contained therein. This allows materials dispenser to be used with capsule 64 or with a lose material not contained within capsule 64.
  • first and second compression rollers 112 and 114 move distally along upper and lower inner surfaces 56 and 58, respectively to compress capsule 64, or other material contained within cavity 50, toward discharge port 34. As first and second compression rollers 112 and 114 move distally and against each other, they conform to the decreasing space available between upper and lower inner surfaces 56 and 58 and assume an oval shape or configuration.
  • first and second compression rollers 112 and 114 are compressed within the confines of cavity 50 to assume even more oval shapes. In this manner the use of compressible first and second compression rollers 112 and 114 allow first and second compression rollers 112 and 114 to completely seal cavity 50 from the proximal section 46 ( Fig. 2 ) of nozzle body 32 allowing the use of materials M not provided in capsule 64 or otherwise contained.
  • the disclose compression assembly may need only contain a single compression roller.
  • the disclosed materials dispenser may utilize other methods of moving the compression assembly distally within the nozzle assembly, such as, for example, linear moving cables, pneumatics, etc.
  • the disclosed discharge nozzle of the nozzle assembly has been illustrated as being oriented perpendicular to the long axis of the staple containing cartridge, it may alternatively be oriented parallel to the long axis of the staple containing cartridge and discharge material into a knife slot associated with the staple containing cartridge. Therefore, the above description should not be construed as limiting, but merely as exemplifications of particular embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the claims appended hereto.
  • the auxiliary device for injecting material between the jaws of a surgical stapler.
  • the auxiliary device includes a nozzle assembly having a discharge port and a compression assembly having at least one compression roller for forcing material out of the discharge port.
  • the disclosed compression rollers may be formed of an incompressible or compressible material.
  • the auxiliary device also includes a drive mechanism for moving the compression assembly within a nozzle body of the nozzle assembly.
  • a rupturable capsule for retaining material to be dispensed.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Claims (13)

  1. Hilfseinrichtung (10) für die Verwendung in einem chirurgischen Hefter (12), umfassend
    eine Mundstückanordnung (30) mit einem Mundstückkörper (32), der einen Hohlraum definiert und eine Abgabeöffnung (34) und eine Kompressionsanordnung (70) aufweist, die beweglich im Hohlraum des Mundstückkörpers (32) befestigt ist und eine Kompressionsrolle (78, 80) aufweist, wobei die Kompressionsanordnung (70) zwischen einer proximalen Position, in der die Kompressionsrolle von der Abgabeöffnung (34) beabstandet ist, und einer distalen Position beweglich ist, in der die Kompressionsrolle im Wesentlichen an die Abgabeöffnung (34) angrenzt, und
    einen Antriebsmechanismus (36, 38, 40, 44), der mit dem chirurgischen Hefter (12) wirkungsmäßig verbunden werden kann und so konfiguriert ist, dass er die Kompressionsanordnung (70) zwischen der proximalen und distalen Position hin und her bewegen kann, wobei die Kompressionsrolle (78, 80) der Kompressionsanordnung (70) Material (M), das im Hohlraum enthalten ist, zur Abgabeöffnung (34) hintreibt, wenn sich die Kompressionsanordnung (70) zwischen der proximalen und distalen Position hin und her bewegt.
  2. Einrichtung nach Anspruch 1, wobei die Kompressionsanordnung einen Antriebsblock, der in den Antriebsmechanismus eingreifen kann, einen Gabelarm, der ein erstes und zweites Ende aufweist und am ersten Ende schwenkbar am Antriebsblock befestigt ist, und eine Welle umfasst, die am zweiten Ende am Gabelarm befestigt ist, wobei die erste Rolle auf der Welle befestigt ist.
  3. Einrichtung nach Anspruch 2, ferner umfassend eine Feder, die am Gabelarm befestigt ist, wobei die Feder die Kompressionsrolle in Eingriff mit einer Innenfläche des Mundstückkörpers vorspannt.
  4. Einrichtung nach Anspruch 2, wobei der Mundstückkörper obere und untere Innenflächen umfasst, wobei die oberen und unteren Innenflächen an ihren jeweiligen proximalen Enden weiter beabstandet sind und an ihren jeweiligen distalen Enden näher beisammen sind, so dass die oberen und unteren Innenflächen zur Abgabeöffnung hin spitz zusammenlaufen.
  5. Einrichtung nach Anspruch 4, wobei die Kompressionsrolle in die obere Innenfläche eingreift, wenn sie sich zwischen der proximalen und distalen Position hin und her bewegt.
  6. Einrichtung nach Anspruch 5, wobei die Mundstückanordnung eine Antriebsmutter umfasst, die im Mundstückkörper befestigt ist und eine Gewindebohrung definiert, und der Antriebsmechanismus eine Antriebsschraube umfasst, die in der Gewindebohrung drehbar befestigt ist, wobei ein distales Ende der Schraube in die Kompressionsanordnung eingreifen kann, um die Kompressionsanordnung im Mundstückkörper zu bewegen, wenn die Antriebsschraube in der Antriebsmutter gedreht wird.
  7. Einrichtung nach Anspruch 6, wobei der Antriebsmechanismus einen Motor umfasst, der in die Antriebsschraube eingreifen kann, um die Antriebsschraube in der Antriebsmutter zu drehen.
  8. Einrichtung nach Anspruch 7, wobei die Antriebsschraube an einem distalen Ende eines Kabels befestigt ist und ein proximales Ende des Kabels am Motor befestigt ist.
  9. Einrichtung nach Anspruch 1, wobei die Kompressionsrolle aus einem nicht komprimierbaren Material gebildet ist.
  10. Einrichtung nach Anspruch 1, wobei die Kompressionsrolle aus einem komprimierbaren Material gebildet ist.
  11. Einrichtung nach Anspruch 1, wobei das Material in einer Kapsel enthalten ist, die im Hohlraum des Mundstückkörpers angeordnet ist, so dass die Kompressionsrolle die Kapsel komprimiert, um die Kapsel zu brechen, wenn sich die Kompressionsrolle zwischen der proximalen und distalen Position hin und her bewegt.
  12. Einrichtung nach Anspruch 11, wobei die Kapsel eine Wanddicke aufweist, die am proximalen Ende größer ist als am distalen Ende.
  13. Einrichtung nach Anspruch 1, die ferner einen chirurgischen Hefter mit einem Griff umfasst, der eine erste Backe, die eine Heftklammern enthaltende Kartusche enthält, und eine zweite Backe umfasst, die in Bezug auf die erste Backe beweglich ist und eine Ambossfläche aufweist.
EP08253101A 2007-09-24 2008-09-23 Hilfsvorrichtung für ein chirurgisches Klammergerät Not-in-force EP2039301B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99500407P 2007-09-24 2007-09-24
US12/195,476 US7866524B2 (en) 2007-09-24 2008-08-21 Stapler powered auxiliary device for injecting material between stapler jaws

Publications (2)

Publication Number Publication Date
EP2039301A1 EP2039301A1 (de) 2009-03-25
EP2039301B1 true EP2039301B1 (de) 2012-02-22

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US (3) US7866524B2 (de)
EP (1) EP2039301B1 (de)
JP (1) JP5371345B2 (de)
AT (1) ATE546098T1 (de)
AU (1) AU2008212050B2 (de)
CA (1) CA2639474A1 (de)
ES (1) ES2379486T3 (de)

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US20120193392A1 (en) 2012-08-02
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AU2008212050A1 (en) 2009-04-09
US20090078737A1 (en) 2009-03-26
ATE546098T1 (de) 2012-03-15
ES2379486T3 (es) 2012-04-26
EP2039301A1 (de) 2009-03-25
JP5371345B2 (ja) 2013-12-18
US8172121B2 (en) 2012-05-08

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